The history of mining is rich and complicated. Mining has led to great advancements for society, but the dangers of mining have also resulted in the deaths of many workers. As technology continues to advance, however, mining techniques become even more accurate and efficient.
The Bento Rodrigues dam disaster is considered to be worse environmental incident in the history of mining in Brazil. On November 5, 2015, two iron ore tailings dams of Samarco ( a jointventure between Vale and BHP Billiton) collapsed.